ci: format lua

Author: ntk148v

.github/workflows/format.yaml

@@ -0,0 +1,23 @@
+name: format
+
+on:
+  pull_request:
+    branches:
+      - "ci"
+    paths:
+      - "lua/**"
+
+jobs:
+  stylua-check:
+    name: "Formatting check with Stylua"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Lint with stylua
+        uses: JohnnyMorganz/stylua-action@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          # CLI arguments
+          version: 0.15.3
+          args: --check .